import { constantRoutes } from '@/router'
import api from '@/utils/api'

import Layout from '@/layout'
import {
  getToken,
  setToken,
  removeToken,
  setChatEn,
  removeChatEn
} from '@/utils/auth'
import { resetRouter } from '@/router'

/**
 * 后台查询的菜单数据拼装成路由格式的数据
 * @param routes
 */
export function generaMenu(routes, data) {
  const names = [
    '/technical/index',
    '/technical/audit',
    '/store/index',
    '/store/audit',
    '/agent/index',
    '/agent/audit'
  ]

  data.forEach((item) => {
    if (names.includes(item.name)) {
      item.component_path = `${item.name.substr(1)}.vue`
    }

    const menu = {
      path: item.path,
      component:
        item.component_path === ''
          ? Layout
          : (resolve) => require([`@/views/${item.component_path}`], resolve),
      // hidden: true,
      children: [],
      name: item.name,
      meta: {
        title: item.title,
        icon: item.icon
      }
    }
    if (item.children) {
      generaMenu(menu.children, item.children)
    }
    routes.push(menu)
  })
}

const state = {
  token: getToken(),
  sys_title: '',
  store_title: '',
  city_title: '',
  is_console: '',
  w7copyright: '',
  logo: '',
  avatar: '',
  roles: [],
  actions: [],
  username: '',
  role_id: '',
  routes: [],
  addRoutes: {}
}

const mutations = {
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  },
  SET_ACTIONS(state, actions) {
    state.actions = actions
  },
  SET_INFO(state, val) {
    state.username = val.username
    state.role_id = val.role_id
    state.sys_title = val.sys_title
    state.store_title = val.store_title
    state.city_title = val.city_title
    state.is_console = val.is_console
    state.logo = val.logo
    state.w7copyright = val.w7copyright
  },
  SET_ROUTES: (state, routes) => {
    state.addRoutes = routes
    state.routes = constantRoutes.concat(routes)
  }
}

const actions = {
  login({ commit }, userInfo) {
    const { username, password, m } = userInfo
    return new Promise((resolve, reject) => {
      api
        .post('/Login/index', {
          username: username.trim(),
          password: password,
          m: m
        })
        .then((response) => {
          commit('SET_TOKEN', response.token)
          setToken(response.token)
          setChatEn(response.data.serverChatEn)
          resolve()
        })
        .catch((error) => {
          reject(error)
        })
    })
  },

  // get user info
  getInfo({ commit }) {
    return new Promise((resolve, reject) => {
      const loadMenuData = []
      const asyncRoutes = []

      api
        .post('/Users/getUserInfo')
        .then((response) => {
          const data = response.data

          if (!data) {
            reject('清重新登录')
          }

          const { roles, avatar } = data

          // roles must be a non-empty array
          if (!roles || roles.length <= 0) {
            reject('getInfo: roles must be a non-null array!')
          }
          const menu = response.menu
          if (menu) {
            Object.assign(loadMenuData, menu)
            generaMenu(asyncRoutes, loadMenuData)
          }

          const accessedRoutes = asyncRoutes || []

          data.menu = accessedRoutes
          commit('SET_ROUTES', accessedRoutes)
          commit('SET_ROLES', roles)
          commit('SET_AVATAR', avatar)
          commit('SET_ACTIONS', response.actions)
          commit('SET_INFO', response.data)
          resolve(data)
        })
        .catch((error) => {
          reject(error)
        })
    })
  },

  // 退出
  logout({ commit, state, dispatch }) {
    return new Promise((resolve, reject) => {
      api
        .post('/Users/logout', state.token)
        .then(() => {
          commit('SET_TOKEN', '')
          commit('SET_ROLES', [])
          commit('SET_ACTIONS', [])
          commit('SET_INFO', {})
          removeToken()
          removeChatEn()
          resetRouter()

          // reset visited views and cached views
          // to fixed https://github.com/PanJiaChen/vue-element-admin/issues/2485
          dispatch('tagsView/delAllViews', null, {
            root: true
          })

          resolve()
        })
        .catch((error) => {
          reject(error)
        })
    })
  },

  // remove token
  resetToken({ commit }) {
    return new Promise((resolve) => {
      commit('SET_TOKEN', '')
      commit('SET_ROLES', [])
      removeToken()
      resolve()
    })
  },

  // dynamically modify permissions
  async changeRoles({ commit, dispatch }, role) {
    const token = role + '-token'

    commit('SET_TOKEN', token)
    setToken(token)

    // reset visited views and cached views
    dispatch('tagsView/delAllViews', null, {
      root: true
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
